Bovous Stores, Inc., sells several products. Information of average revenue and costs is as follows: $20.00 Selling price per unit Variable costs per unit: Direct material Direct manufacturing labor Manufacturing overhead Selling costs Annual fixed costs $4.00 $1.60 $0.40 $2.00 $96,000 What is the contribution margin percentage ? A. 66% B. 60% OC.33% OD.55%